Drawer-slide.



M. GOSSEY.

DRAWER SLIDE.

APPLIUATION FILED Arms, 1911.

1,045,523, Patented Nov. 26, 1912.

2 SHEETS-SHEET 1. f v 4/ M. COSSEY. DRAWER SLIDE.

APPLICATION FILED APR.3, 1911.

Patented Nov. 26, 1912.

2 SHEETS-SHEET 2. i

MYnoN cossnY, or BROOKLYN, NEW Yonx, AssIciNoa To -nELIANcE BALL BEARINGnoon HANGER co., or NEW Yonx, N. Y., .a conronArIoN or New Yoan.-

- Specification of Letters Patent.

Application led April 3, 1911. Serial No. 618,746.

To all whom it may concern:

Be it known that I, MYRON Cossnr, a citizen of the United States, andresident of the borough of Brooklyn, county vof Kings, and State of NewYork, have invented certain new and useful Improvements inDrawer-Slides, of which the following is a specification. Y

It has been my purpose to improve t-he construction of the means usedfor guiding and supporting drawers and similar devices so that they mayeasily and accurately slide into place.

One of the objects of the invention is to provide a drawer withanti-friction sliding means which .will permit perfectly free movementlongitudinally, but which will prevent movement in other directionswhich mi ht result in binding.

other object has been to produce the anti-friction slide in such formthat it can be easily and cheaply made in light form but of sucientstrength to stand the strains of practical use.

The novel features of the invention will be apparent from the followingdescription,

taken in connection with the accompanying drawings. v

In the drawings Figure 1 is a cross section of avportion of the drawerand casing having the preferred form of my drawer slide applied thereto;Fig. 2 is a detail perspective view of the ball spacing and retainingmeans; Fig. 3 is a side view of a portion of the slide; Fig. 4 is a sideview of the drawer and casing having my preferred form applied thereto,the drawer being pulled open; Fig. 5 is an end view of the preferredform of my slide showing the limiting stops; and Fig. 6 is a side viewof t-he track members showing the limiting stops in operation. Fig. 7 isa sectionalview of a i modified arrangement of the slide.

In Fig. l I have shown a casingf 1, which vma be a deskor similararticle of furniture,

which is provided with an ordinary drawer 2. These parts are usuallymade of wood and the side wall of the drawer is spaced from thecorresponding side wall of the casing sufficiently to receive myimproved slide. In the preferred form, my slide is made up of two .trackmembers formed from sheet metal, preferably'drawn steel. As will be Seenby reference to Fig. 1, the track member 3 is .made substantiallyU-shaped in cross sectlon and it extends longitudinally of the drawercasing at the side from thc- The free edges of the movable track arePatented Nov. 2e, 1912.-

bent or rolled outwardly so as to leave inwardly, facing groovesv 8 and9 which register with the grooves 5 and 6. The outward bends leaveshoulders 10 and 11 on the interior of the movable tracks 7, and a mov--able ball retainer 12 preferably made of steel fits loosely between the'shoulders 10 and 11 and slides freely longitudinally within the movabletrack 7. This retainer is also U-shaped in cross section fitting over'and embracing the fixed track 3 loosely, and

rovided with holes 13, Fig. 3 to receive the alls 14 moving in theregistering grooves of the two tracks. This retainer serves to properlyspace the balls and to hold them in position, and it will be understoodthat it moves along the track with the balls. At the ends of the fixedtrack 3, I place the strengthening filler blocks 15, these blocksfitting between the sideflanges and being held in place by t-he screws16. A pin 17 projects from the face of this blockalmost to the rear wallof the movable track 7 standing in the path of the spacer 12. This pin17 may be in the form of a screw passed through the fixed track 3, andthe block 15. At each end of the movable track 7 a pin 18 is placed'projecting inward in the path of the retainer 12. These pins 17 and 18serve as stops to limit the movementof the track 7 onthe track 3,because when the pin 17 at the front end of the fixed track 3 is struckby the retainer 12, it will prevent any further forward movement of thatretainer and its balls and when the -pin 18, Fig. 6,

-at the rear end of the movable track 7 Vstrikes the other-end of theretainer 12 the movable track'7 cannot move outward ,any

farther. While I have shown the slide only on one side of the dra-wer itwill be understood that a duplicate of this is used on the other side ofthe drawer, and it will be observed by reference to Fig. 1 that thedrawer is supported from the slide by means of a longitudinal strip 19which may be made of wood held in place by the screws 20. This strip orrail simply rests by gravity on top of the straight upper surface of themovable track 7 and the frictional engagement makes t-he movable trackmove forward when the drawer is pulled out, but it will be observed thatwhen the track has moved its full limit, and the stops come intooperation, it is still possible to move the drawer making the strip orrail 19 slide on the movable track 7, and thus the drawer can beentirely removed from the casing leaving the anti-friction drawer slides'still in position in the casing. The drawer preferably lits closelyagainst the inner straight vertical face of the movable track 7 so thatmovement is longitudinal.

vent binding and will make the drawer there will be no play or lostmotionand the connection betweenthe movable track and fixed track issuch that the only relative This will premove easily and smoothly intoeither open or closed position.

It will be observed that the form of slide shown in Fig. 1 can be easilyand cheaply made of drawn steel which will be \com paratively light andwhich will at the same time have the requisite strength to stand'all thestrains of practical use, and it willl further be observed that by theconstruction described the drawer will work easily on the anti-frictionbearings yunder V all ordinary operations and that the drawer can beabsolutely removed from the casing without disi turbing in any way theanti-friction slide.

In Fig. 7 I have shownV a modified arrangement in which the parts occupydifferent relative positions but the structure of the two slidingmembers and the structure of the ball retainers correspond with thatdescribed in connection with Fig. 1. In this modified form the outerslide 21 of sheet metal is secured to the casing 1 by screws 22 and theinner slide member 23 is placed with the open side of the U-shaped crosssection facing in the same direction as the member 21 so as to formpractically a slot in which slidably and loosely lits the strip 24secured to the drawer 2. In this instance the drawer is supportedthrough the strip 24 vfrom the member 23 and it is in turn'supported bythe balls .from the fixed member 21 and it will be understood that thestrip 24 can slide out beyond the end of the member '23 so that thedrawer can be entirely removed just as in the structure shown in Fig. 1.

While I have disclosed avpreferred embodiment of my invention it will beunderstood that the invention its broader laspect is not limited to thedetailsof construction described and shown. Having thus described theinvention, what is claimed is: 1. The combination with a drawer, of acasing for said drawer, tracks supporting said drawer at the sideshaving separated grooves facing each other and extending in thedirection of movement of said drawer, tracks secured to said casing andprovided with oppositely facing grooves registering with the irstmentioned grooves, the tracks on the casing and tracks supporting theldrawer telescoping one into another, anti- 80 friction balls in eachpair of grooves locking the parts against any movement except ylongitudinal, and integral means engaging the balls in both grooves tohold the same in spaced relation to each other and allowing thesimultaneous movement of the balls ybut holding the same againstindependent movement.

2. The combination with a drawer, of a casing therefor, a track securedto said casing having oppositely facing longitudinalgrooves, a secondtrack movable on the first having grooves facing and registering withsaid first mentioned grooves, anti-friction balls in said grooveslocking said tracks against any relative movement except longitudinal,one piece spacing means for said balls in both grooves toallowsimultaneous movement of the balls but to hold the same againstindependent movement, and said drawer being provided with a partslidably resting von sald movable track to support said drawer.

3. The combination with a drawer, of a casing therefor, a track securedto said casing at each side having oppositely facing longitudinalgrooves, a second track movable upon each of the first mentioned trackshaving grooves facing and registering with said rst mentioned grooves,anti-friction 110 balls in saidA grooves-` loclng said tracks againstany relative movement except longitudinal, a spacing means for the ballsin both grooves to permit simultaneous movement of said' balls but tohold the same 115 against independent movement, and rails on the sidesof said drawer frictionallyl resting on said movable tracks whereby saiddrawer and tracks will normally move together and said drawer may 'slideon the 120 track when said track has reached the limit of its movement.

ing said sections against any relative move- 133 ment exceptlongitudinal, and a ball retainer U-shaped in cross section tting withinand movable along the outer track and embracing the inner track providedwith holes to receive said balls.

5. The combination with a drawer and the like having parts provided witha plurality of oppositely facing longitudinal grooves, a casing for saiddrawer and the like also having parts provided with a plurality ofoppositely facing longitudinal grooves having `their open faces arrangedadjacent andopposite to the open faces of the grooves on the drawer andthe like, a plurality of anti-friction devices arranged in each of therespective adjacent grooves on the drawer and the casing, and means forretaining said anti-friction devicesv in spaced relation to each other,the grooved parts on the drawer and those on the casing being capable ofrelative movement between them, and the anti-friction devices acting asretaining devices to hold the drawer and casing 1n operative position.

6. The combination with a drawer and the like having parts provided witha plurality of oppositely facing longitudinal grooves, a casing for saiddrawer and the' like also having parts provided with a plurality ofoppositely facing longitudinal grooves having their open faces arrangedadjacent and opposite to the open faces of the ooves on the drawer andthe like, and a p urality of spaced anti-friction devices arranged ineach of the respective adjacent grooves on the drawer and the casing,the grooved parts on the drawer and those on the casing being capable ofrelative movement between them and the anti-friction devices moving withthe movable member, said anti-friction devices also acting as retainingdevices to hold the drawer and casing in operative position.

ln testimony whereof I affix my signature in presence of two witnesses.

MYRON CGSSEY.y

Witnesses:

HORACE L. BALCH, GEORGE W. READ.

